11481599 has 8 divisors (see below), whose sum is σ = 11887008. Its totient is φ = 11082240.

The previous prime is 11481571. The next prime is 11481607. The reversal of 11481599 is 99518411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11481599 - 2⁸ = 11481343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11481199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2534 + ... + 5420.

It is an arithmetic number, because the mean of its divisors is an integer number (1485876).

Almost surely, 2^11481599 is an apocalyptic number.

11481599 is a deficient number, since it is larger than the sum of its proper divisors (405409).

11481599 is an equidigital number, since it uses as much as digits as its factorization.

11481599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025.

The product of its digits is 12960, while the sum is 38.

The square root of 11481599 is about 3388.4508259675. The cubic root of 11481599 is about 225.5974180979.

The spelling of 11481599 in words is "eleven million, four hundred eighty-one thousand, five hundred ninety-nine".